160640988 has 24 divisors (see below), whose sum is σ = 376161408. Its totient is φ = 53356656.

The previous prime is 160640957. The next prime is 160640989. The reversal of 160640988 is 889046061.

It is a super-2 number, since 2×160640988² = 51611054051232288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (160640989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20256 + ... + 27047.

It is an arithmetic number, because the mean of its divisors is an integer number (15673392).

Almost surely, 2^160640988 is an apocalyptic number.

It is an amenable number.

160640988 is an abundant number, since it is smaller than the sum of its proper divisors (215520420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

160640988 is a wasteful number, since it uses less digits than its factorization.

160640988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47593 (or 47591 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 160640988 is about 12674.4225903983. The cubic root of 160640988 is about 543.6075194925.

The spelling of 160640988 in words is "one hundred sixty million, six hundred forty thousand, nine hundred eighty-eight".